Weighted threshold secret sharing was introduced by Shamir in his seminal work on secret
sharing. In such settings, there is a set of users where each user is assigned a positive …

Attribute-based authentication is considered a cornerstone component to achieve scalable
fine-grained access control in the fast growing market of cloud-based services …

Multipartite secret sharing schemes are those having a multipartite access structure, in
which the set of participants is divided into several parts and all participants in the same part …

Multipartite secret sharing schemes are those having a multipartite access structure, in
which the set of participants is divided into several parts and all participants in the same part …

Weighted threshold secret sharing was introduced by Shamir in his seminal work on secret
sharing. In such settings, there is a set of users where each user is assigned a positive …

Error-correcting codes and matroids have been widely used in the study of ordinary secret
sharing schemes. In this paper, the connections between codes, matroids, and a special …

These are basically the lecture notes for the short course" Applications of Combinatorics to
Information-Theoretic Cryptography", Central European University, Budapest, May-June …

One of the main open problems in secret sharing is the characterization of the access
structures of ideal secret sharing schemes. As a consequence of the results by Brickell and …

A secret sharing scheme is a protocol by which a dealer distributes a secret among a set of
participants in such a way that only qualified sets of them can reconstruct the value of the …

Database outsourcing is a noteworthy solution to improve quality of services while reducing
data management costs. When data is stored and processed out of the territory of its owner …